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/* *******************************************************************
* Copyright (c) 2008 Contributors
*
* All rights reserved.
* This program and the accompanying materials are made available
* under the terms of the Eclipse Public License v 2.0
* which accompanies this distribution and is available at
* https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.txt
*
* Contributors:
* Andy Clement - refactored out of MemberImpl
* ******************************************************************/
package org.aspectj.weaver;
import java.lang.reflect.Modifier;
public class SignatureUtils {
public static String getSignatureString(Member m, World world) {
MemberKind kind = m.getKind();
if (kind == Member.METHOD) {
return getMethodSignatureString(m, world);
} else if (kind == Member.CONSTRUCTOR) {
return getConstructorSignatureString(m, world);
} else if (kind == Member.FIELD) {
return getFieldSignatureString(m, world);
} else if (kind == Member.HANDLER) {
return getHandlerSignatureString(m, world);
} else if (kind == Member.STATIC_INITIALIZATION) {
return getStaticInitializationSignatureString(m, world);
} else if (kind == Member.ADVICE) {
return getAdviceSignatureString(m, world);
} else if (kind == Member.MONITORENTER || kind == Member.MONITOREXIT) {
return getMonitorSignatureString(m, world);
} else {
throw new BCException("Do not know the signature string for MemberKind " + kind);
}
}
public static String getSignatureMakerName(Member m) {
MemberKind kind = m.getKind();
if (kind == Member.METHOD) {
return "makeMethodSig";
} else if (kind == Member.CONSTRUCTOR) {
return "makeConstructorSig";
} else if (kind == Member.FIELD) {
return "makeFieldSig";
} else if (kind == Member.HANDLER) {
return "makeCatchClauseSig";
} else if (kind == Member.STATIC_INITIALIZATION) {
return "makeInitializerSig";
} else if (kind == Member.ADVICE) {
return "makeAdviceSig";
} else if (kind == Member.MONITORENTER) {
return "makeLockSig";
} else if (kind == Member.MONITOREXIT) {
return "makeUnlockSig";
} else {
throw new BCException("Do not know the signature maker name for MemberKind " + kind);
}
}
public static String getSignatureType(Member m) {
MemberKind kind = m.getKind();
if (m.getName().equals("<clinit>") && kind != Member.STATIC_INITIALIZATION)
throw new BCException();
// if (m.getName().equals("<clinit>")) return "org.aspectj.lang.reflect.InitializerSignature";
if (kind == Member.METHOD) {
return "org.aspectj.lang.reflect.MethodSignature";
} else if (kind == Member.CONSTRUCTOR) {
return "org.aspectj.lang.reflect.ConstructorSignature";
} else if (kind == Member.FIELD) {
return "org.aspectj.lang.reflect.FieldSignature";
} else if (kind == Member.HANDLER) {
return "org.aspectj.lang.reflect.CatchClauseSignature";
} else if (kind == Member.STATIC_INITIALIZATION) {
return "org.aspectj.lang.reflect.InitializerSignature";
} else if (kind == Member.ADVICE) {
return "org.aspectj.lang.reflect.AdviceSignature";
} else if (kind == Member.MONITORENTER) {
return "org.aspectj.lang.reflect.LockSignature";
} else if (kind == Member.MONITOREXIT) {
return "org.aspectj.lang.reflect.UnlockSignature";
} else {
throw new BCException("Do not know the signature type for MemberKind " + kind);
}
}
// ---
private static String getHandlerSignatureString(Member m, World world) {
StringBuffer buf = new StringBuffer();
buf.append(makeString(0));
buf.append('-');
// buf.append(getName());
buf.append('-');
buf.append(makeString(m.getDeclaringType()));
buf.append('-');
buf.append(makeString(m.getParameterTypes()[0]));
buf.append('-');
String pName = "<missing>";
String[] names = m.getParameterNames(world);
if (names != null)
pName = names[0];
buf.append(pName);
buf.append('-');
return buf.toString();
}
private static String getStaticInitializationSignatureString(Member m, World world) {
StringBuffer buf = new StringBuffer();
buf.append(makeString(m.getModifiers(world)));
buf.append('-');
// buf.append(getName());
buf.append('-');
buf.append(makeString(m.getDeclaringType()));
buf.append('-');
return buf.toString();
}
protected static String getAdviceSignatureString(Member m, World world) {
StringBuffer buf = new StringBuffer();
buf.append(makeString(m.getModifiers(world)));
buf.append('-');
buf.append(m.getName());
buf.append('-');
buf.append(makeString(m.getDeclaringType()));
buf.append('-');
buf.append(makeString(m.getParameterTypes()));
buf.append('-');
buf.append(makeString(m.getParameterNames(world)));
buf.append('-');
buf.append(makeString(m.getExceptions(world)));
buf.append('-');
buf.append(makeString(m.getReturnType()));
buf.append('-');
return buf.toString();
}
protected static String getMethodSignatureString(Member m, World world) {
StringBuffer buf = new StringBuffer();
buf.append(makeString(m.getModifiers(world)));
buf.append('-');
buf.append(m.getName());
buf.append('-');
buf.append(makeString(m.getDeclaringType()));
buf.append('-');
buf.append(makeString(m.getParameterTypes()));
buf.append('-');
buf.append(makeString(m.getParameterNames(world)));
buf.append('-');
buf.append(makeString(m.getExceptions(world)));
buf.append('-');
buf.append(makeString(m.getReturnType()));
buf.append('-');
return buf.toString();
}
protected static String getMonitorSignatureString(Member m, World world) {
StringBuffer buf = new StringBuffer();
buf.append(makeString(Modifier.STATIC)); // modifiers
buf.append('-');
buf.append(m.getName()); // name
buf.append('-');
buf.append(makeString(m.getDeclaringType())); // Declaring Type
buf.append('-');
buf.append(makeString(m.getParameterTypes()[0])); // Parameter Types
buf.append('-');
buf.append(""); // Parameter names
buf.append('-');
return buf.toString();
}
protected static String getConstructorSignatureString(Member m, World world) {
StringBuffer buf = new StringBuffer();
buf.append(makeString(m.getModifiers(world)));
buf.append('-');
buf.append('-');
buf.append(makeString(m.getDeclaringType()));
buf.append('-');
buf.append(makeString(m.getParameterTypes()));
buf.append('-');
buf.append(makeString(m.getParameterNames(world)));
buf.append('-');
buf.append(makeString(m.getExceptions(world)));
buf.append('-');
return buf.toString();
}
protected static String getFieldSignatureString(Member m, World world) {
StringBuffer buf = new StringBuffer();
buf.append(makeString(m.getModifiers(world)));
buf.append('-');
buf.append(m.getName());
buf.append('-');
buf.append(makeString(m.getDeclaringType()));
buf.append('-');
buf.append(makeString(m.getReturnType()));
buf.append('-');
return buf.toString();
}
protected static String makeString(int i) {
return Integer.toString(i, 16);
}
protected static String makeString(UnresolvedType t) {
// this is the inverse of the odd behavior for Class.forName w/ arrays
if (t.isArray()) {
// this behavior matches the string used by the eclipse compiler for Foo.class literals
return t.getSignature().replace('/', '.');
} else {
return t.getName();
}
}
protected static String makeString(UnresolvedType[] types) {
if (types == null)
return "";
StringBuffer buf = new StringBuffer();
for (UnresolvedType type : types) {
buf.append(makeString(type));
buf.append(':');
}
return buf.toString();
}
protected static String makeString(String[] names) {
if (names == null)
return "";
StringBuffer buf = new StringBuffer();
for (String name : names) {
buf.append(name);
buf.append(':');
}
return buf.toString();
}
}
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